[asterisk-users] Fw: Re: mISDN BRI Asterisk 1.4

Wed Jan 21 09:36:22 CST 2009

I now this page has something like that:
http://www.softwink.com/papers/Installation_Securing_VoIP_With_Linux/

but on a PRI and not a BRI, but maybe it can be extrapolated

Lee Wilson a écrit :
> Its been a few days, I was wondering if anyone else has any ideas on how to get this to work?
>
> If not, could I ask a the direct question as to if anyone here has (or knows someone who has) successfully got something like a Cisco Router to successfully establish an ISDN data/Internet connection through the Asterisk PBX? 
>
> From a telephony perspective it must be possible as our existing Nortel PBX does it, just don't know if Asterisk can.
>
> I feel that I've spent too much time that could have been better spend on this and am now at the point where I think the boss should just cough up and get a couple of ISDN BRI lines put in.
>
> Thanks again for everyones input so far. 
>
> Lee
>
> --- On Fri, 16/1/09, Lee Wilson <leefm40 at yahoo.co.uk> wrote:
>
>   
>> From: Lee Wilson <leefm40 at yahoo.co.uk>
>> Subject: Re: [asterisk-users] mISDN BRI Asterisk 1.4
>> To: "Asterisk Users Mailing List - Non-Commercial Discussion" <asterisk-users at lists.digium.com>
>> Date: Friday, 16 January, 2009, 10:12 AM
>> Hi Francesco,
>>
>> You were correct.  I pulled the cable out before everyone
>> got in this morning and it was a cross over.  I've now
>> connected a proper straight-through ISDN cable (don't
>> know what the Nortel was using before) and L1 is now up on
>> Asterisk:
>>
>> BEGIN STACK_LIST:
>>   * Port 1 Type NT Prot. PTP L2Link DOWN L1Link:UP
>> Blocked:0  Debug:1
>>
>> However I'm now seeing the following message as L2 is
>> not coming up:
>>
>> P[ 1] !!! Could not Get the L2 up after 3 Attemps!!!
>>
>> I checked that misdn.conf was setup to use PTMP (despite
>> was it is saying above):
>>
>> <mISDNconf>
>>         <module poll="128" debug="1"
>> timer="no">hfcmulti</module>
>>         <module debug="1"
>> options="0">mISDN_dsp</module>
>>         <devnode user="root"
>> group="root"
>> mode="644">mISDN</devnode>
>>         <card type="BN4S0">
>>                 <port mode="nt"
>> link="ptmp">1</port>
>>                 <port mode="nt"
>> link="ptmp">2</port>
>>                 <port mode="nt"
>> link="ptmp">3</port>
>>                 <port mode="nt"
>> link="ptmp">4</port>
>>         </card>
>> </mISDNconf>
>>
>> Also, how can I definately tell it is running in PTMP mode?
>>
>>
>> msisdnportinfo does not distinguish:
>> Port  1: NT-mode BRI S/T interface port (for phones)
>>  -> Interface can be Poin-To-Point/Multipoint.
>> --------
>> Port  2: NT-mode BRI S/T interface port (for phones)
>>  -> Interface can be Poin-To-Point/Multipoint.
>> --------
>>
>> And Asterisk says it is running in PTP as well when the
>> module is loaded:
>> *CLI> module load chan_misdn.so
>> mISDN_close: fid(21) isize(131072) inbuf(0xb7b12008)
>> irp(0xb7b12008) iend(0xb7b12008)
>>   == Parsing '/etc/asterisk/misdn.conf': Found
>> P[ 0] Got: 1ptp,2ptp from get_ports
>>   == Registered channel type 'mISDN' (Channel
>> driver for mISDN Support (Bri/Pri))
>>   == Registered application 'misdn_set_opt'
>>   == Registered application 'misdn_facility'
>>   == Registered application 'misdn_check_l2l1'
>> P[ 0] -- mISDN Channel Driver Registered --
>>  Loaded chan_misdn.so => (Channel driver for mISDN
>> Support (BRI/PRI))
>>
>> I've got onto the Cisco router and found the BRI
>> interface to be configured as below:
>>
>> interface BRI0
>>  no ip address
>>  encapsulation ppp
>>  dialer pool-member 1
>>  isdn switch-type basic-net3
>>  no cdp enable
>>  ppp authentication chap callin
>> end
>>
>> And the following events are being reported:
>>
>> Jan 16 10:03:06.099: ISDN BR0: Could not bring up interface
>> Jan 16 10:03:06.103: BRI0: wait for isdn carrier timeout,
>> call id=0x8004
>>
>> The router also thinks that Layer 1 is still down:
>> Global ISDN Switchtype = basic-net3
>> ISDN BRI0 interface
>>         dsl 0, interface ISDN Switchtype = basic-net3
>>     Layer 1 Status:
>>         DEACTIVATED
>>     Layer 2 Status:
>>         Layer 2 NOT Activated
>>     Layer 3 Status:
>>         0 Active Layer 3 Call(s)
>>     Active dsl 0 CCBs = 0
>>     The Free Channel Mask:  0x80000003
>>
>> Looks like it may be worth speaking with OpenVox regarding
>> exactly how there can is setup, only problem is I'm not
>> sure what I should be asking them.
>>
>> Apologies for this long email. 
>>
>> Regards
>>
>> Lee
>>
>> --- On Wed, 14/1/09, Francesco Peeters (linux)
>> <francesco at fampeeters.com> wrote:
>>     
>>     
>>> Are you using an ISDN cross cable? I don't know
>>>       
>> these
>>     
>>> cards, but most cards are wired as a DTE type device
>>>       
>> (TE
>>     
>>> port like a router or phone) and not a DCE type device
>>>       
>> (NT
>>     
>>> box). So you might have Tx-Tx and Rx-Tx instead of
>>>       
>> Rx-Tx and
>>     
>>> Tx-Rx... ;-)
>>>
>>> (Note that ISDN cross cables are definately NOT the
>>>       
>> same as
>>     
>>> a CAT5E cross cable!)
>>>
>>>       
>>
>>       
>>
>>
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